Here is the full list of all 37 Fighting Fantasy Legends achievements.
Defeat the Goblins or the Troll in the Spotted Dog Tavern
Escape from Jail in the Citadel
Find the Hag's Hair
Find the Lotus Flower
Be Victorious in Combat 20 Times
Find the Silver Throwing Knife
Find the Black Pearls
Kill all of the Pirates on the Pirate Ship
Gain 10 Titles
Kill Zagor the Warlock
Kill the Red Dragon in Firetop Mountain
Play any dice game at the Zengis Gambling Hall
Complete 5 Quests
Rescue the Prisoner in Firetop Mountain
Have a Curse Removed
Win a Game of Baysball
Dice with Death in the House of Skulls
Unlock a Title
Upgrade any Die
Beat the Strongman in Port Blacksand
Open Zagor's Treasure Chest in Firetop Mountain
Find the Legendary Pirate Treasure
Complete the Creature Codex
Pass 10 Skill Tests
Kill Balthus Dire
Win a Fight That You Start With 1 Stamina
Kill Zagor, Balthus Dire and Zanbar Bone on Adventurer Difficulty
Fully Upgrade Your Luck Dice
Fully Upgrade Your Skill Dice
Carry the Best Weapon and Armour Cards
Kill Zagor, Balthus Dire and Zanbar Bone on Legend Difficulty
Pass 10 Luck Tests
Kill Zagor, Balthus Dire and Zanbar Bone on Hero Difficulty
Find the Spider-Man
Get a Tattoo
Unlock all Titles with the Same Character
Kill Zanbar Bone